BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST - View Single Post - A permanent Fix for the 335i/435i 2500 RPM Rattle/Buzzing/Whirring Noise?

dmk11 · 02-23-2014, 07:40 PM

What's interesting is that this hose already has weight attached 5-10 inches upstream. It's hard to believe that rubber hose would cause this noise. What's the connection between low pressure ac hose and engine under load at 2500 rpm.

02-23-2014, 07:40 PM	#11
dmk11 Private 6 Rep 59 Posts Drives: '14 335i 6MT Join Date: Feb 2013 Location: MI iTrader: (2)	What's interesting is that this hose already has weight attached 5-10 inches upstream. It's hard to believe that rubber hose would cause this noise. What's the connection between low pressure ac hose and engine under load at 2500 rpm.
	Appreciate 0 Quote